Folding chair

ABSTRACT

The present utility model relates to furniture, more particularly, to a folding chair, comprising a cushion support, a rear cushion support, a backrest support, an arm support, a cushion plate and a backrest, wherein the cushion support intersects the rear cushion support and is combined with the cushion support using a pivot; one end of the backrest support is pivotally connected with that of the cushion support, while one end of the arm support is pivotally combined with that of the rear cushion support; both ends of the backrest support and the arm support are connected pivotally, and the two ends of the cushion plate are fixed respectively on the cushion support and rear cushion support, which are pivotally combined with each other, forming a certain angle when unfolded and coming together when clamped. The present utility model is simple and easy for use, and is a multi-purpose folding chair suitable for outdoor sports and leisure activities.

This application claims the priority benefit of China patent applicationnumber 200820049993.1 filed on Jul. 1, 2008

BACKGROUND OF THE INVENTION

1. Field of the Invention

The present utility model relates to furniture, more particularly, to afolding chair.

2. Description of the Prior Art

As a simple and practical furniture piece, the folding chair is beingwidely used in various social fields, including office, sports andleisure activities, etc. Generally, it is characterized by foldability,smallness and exquisiteness, being supported firmly when unfolded andconvenience for transportation and storage. However, the folding chairhas an intricate structure with many connecting supports but has aunitary function. Especially in outdoor situations, the folding chaircannot be used in combination with other household articles. Inaddition, folding chairs cannot be carried if not folded, andtraditional folding chairs do not carry easily and are not suitable foruse in outdoor sports and leisure activities.

SUMMARY OF THE INVENTION

The object of the present utility model is to provide a multi-purposefolding chair which is easy to use, simple in structure, applicable tooutdoor sports and leisure activities and suitable for travels byovercoming shortcomings of the existing technologies.

The object of the present utility model is achieved through thefollowing steps: the folding chair comprising a cushion support, a rearcushion support, a backrest support, an arm support, a cushion plate anda backrest; the cushion support intersecting the rear cushion supportand combined with each other by a pivot, around which the cushionsupport and rear cushion support can rotate; one end of the backrestsupport being pivotally connected with that of the cushion support,while one end of the arm support being pivotally combined with that ofthe rear cushion support; the backrest support being pivotally connectedwith the arm support at both ends; the two ends of the cushion platebeing respectively fixed on the cushion support and rear cushionsupport, which are connected pivotally; the cushion plate limiting theopening angle between the cushion support and rear cushion support,which form a certain angle when unfolded and merge when packed up; thearm support being pivotally combined with the backrest support; theother end of the arm support being pivotally connected with the rearcushion support, and the other end of the backrest support beingpivotally connected with the cushion support to form a four-barmechanism; utilizing the length of the cushion plate to limit the sizeof the four-bar mechanism when it is unfolded; the cushion support, rearcushion support, backrest support, arm support and cushion plateconstituting a four-bar mechanism that is foldable; the backrest beingfixed on the backrest support; the cushion support and rear cushionsupport can rotate around a pivot and is connected by the pivot, andwill form a certain opening angle between them when unfolded or mergewhen folded. In addition, the length of the cushion plate can be used tolimit the size of the four-bar mechanism when it is unfolded. Thepresent utility model includes a backpack connecting component in therear cushion support, and a connecting component is installed on thebackpack, so that the backpack can be fastened to the folding chair byfixing the connecting component in the backpack with the backpackconnecting component in the rear cushion support. The backpack is fixedon the back of the cushion plate of the folding chair. In this way, thebackpack and the folding chair will be fastened together as a whole andcarried for traveling purpose.

The folding chair is equipped with a backpack connecting component,which fits with the connecting component in the backpack to fasten thebackpack and the folding chair together.

The connecting component installed in the backpack may be a zipper, abuckle or Velcro strip.

A backpack connecting component is installed on the rear cushionsupport, which is a zipper, a buckle or Velcro strip and fastened to therear cushion support.

To fasten the backpack tightly to the folding chair, a fastener isinstalled on the backpack to fix the backpack into the folding chair,and the fastener may be a buckle or Velcro strip. The fastener is fixedtogether with the cushion support, rear cushion support, backrestsupport or arm support of the folding chair.

The present utility model is simple and easy to use, providing amulti-purpose folding chair suitable for outdoor sports and leisureactivities.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 schematically shows the structure of the present utility model.

FIG. 2 schematically shows the structure of the folding chair disclosedin the present utility model.

FIG. 3 is a schematic drawing of the structure of the present utilitymodel according to an example of the embodiments.

FIG. 4 schematically shows the structure of the present utility modelaccording to an example of the embodiment.

FIG. 5 schematically shows folding of the present utility model.

FIG. 6 is a schematic drawing of the present utility model according toan example of the embodiments.

FIG. 7 is a schematic drawing of the backpack according to an example ofthe embodiment of the present utility model.

DETAIL DESCRIPTION OF THE INVENTION

The present utility model will be further described in reference to theaccompanying drawings.

As shown in FIG. 1, the present utility model includes a cushion support1, a rear cushion support 2, a backrest support 3, an arm support 4, acushion plate 5 and a backrest 6, wherein the cushion support 1intersects the rear cushion support 2 and is pivotally combined witheach other, and one end of the backrest support 3 is connected with thatof the cushion support 1 by using a pivot, while one end of the armsupport 4 is pivotally combined with that of the rear cushion support 2.The backrest support 3 is pivotally connected with the arm support 4 atboth ends, and the two ends of the cushion plate 5 are fixed on thecushion support 1 and rear cushion support 2 respectively, while thebackrest 6 is fixed on the backrest support 3. The opening angle betweenthe cushion support 1 and rear cushion support 2 is limited by thecushion plate 5. In addition, the cushion support 1, the rear cushionsupport 2, the backrest support 3, the arm support 4 and the cushionplate 5 constitute a four-bar mechanism, while the arm support 4 and therear cushion support 2 pivotally connected with it as well as thebackrest support 3 and the cushion support 1 that is pivotally connectedconstitute another four-bar mechanism.

Refer to FIG. 2, which shows the folding chair disclosed in the presentutility model contains the cushion support 1, the rear cushion support2, the backrest support 3, the arm support 4, the cushion plate 5 andthe backrest 6, wherein the cushion support 1 intersects the rearcushion support 2 and is connected with each other by using a pivot 12,and one end of the backrest support 3 is connected with that of thecushion support 1 by using a pivot 13. Besides, the arm support 4 andthe rear cushion support 2 are connected by a pivot 14 at one end, andthe backrest support 3 is combined with the arm support 4 at both endsby using a pivot 34. The two ends of the cushion plate 5 are fixed onthe cushion support 1 and rear cushion support 2 respectively, while thebackrest 6 is fixed on the backrest support 3, and the cushion plate 5is used to limit the opening angle between the cushion support 1 and therear cushion support 2. On one hand, the cushion support 1, the rearcushion support 2, the backrest support 3, the arm support 4 and thecushion plate 5 constitute a four-bar mechanism and can stack up; on theother hand, the arm support 4 and the rear cushion support 2 arepivotally connected, and the backrest support 3 and the cushion support1 are pivotally connected, too, thus constituting another four-barmechanism. In the folding chair, there is a backpack connectingcomponent 7, which may be a zipper or buckle, and a backpack rod 8 isinstalled on the rear cushion support 2 to fasten the zipper or buckle.

As shown in FIG. 3, the folding chair of the present utility modelincludes the backpack connecting component 7, which is a zipper 8.

As shown in FIG. 4, the folding chair of the present utility modelincludes the backpack connecting component 7, which is a buckle 9.

As shown in FIG. 5, in the present utility model, the cushion supportand the rear cushion support can rotate around a pivot and are combinedby the pivot, and the cushion plate is used to limit the opening anglebetween the cushion support and rear cushion support, which can bestacked up when put together. One end of the arm support is combinedwith the backrest support through a pivot, while the other end of thearm support is connected with the rear cushion support by using anotherpivot, and the other end of the backrest support is combined with thecushion support pivot to constitute a four-bar mechanism. The length ofthe cushion plate can be utilized to limit the size of the four-barmechanism when it is unfolded. The cushion support, the rear cushionsupport, the backrest support, the arm support and the cushion plateconstitute a four-bar mechanism.

As shown in FIGS. 6˜7, the backpack in the present utility modelincludes a connecting component 9, which is a zipper and fits with thebackpack connecting component in the folding chair to fasten thebackpack and folding chair together as a whole for carrying purpose. Thebackpack also includes a strap connecting component 10, which is a fastbuckle. The backpack and the folding chair can be integrated and used incombination with travel or sports bags. The backpack includes aconnecting component which may be a zipper, buckle or Velcro strip, andthe folding chair also has a connecting component which may be a zipper,buckle or Velcro strip. The connecting component in the backpack fitswith the backpack connecting component installed in the folding chair,so that the backpack can be fastened to the folding chair as a whole toallow the folding chair to be carried on a back or lifted for travelingpurpose.

1. A folding chair, comprising a cushion support, a rear cushionsupport, a backrest support, an arm support, a cushion plate and abackrest, wherein the cushion support intersects the rear cushionsupport and is combined with the cushion support through a pivot; oneend of the backrest support is connected with that of the cushionsupport by using a pivot, while one end of the arm support is combinedwith that of the rear cushion support through another pivot; both endsof the backrest support and the arm support are connected pivotally, andthe two ends of the cushion plate are fixed on the cushion support andrear cushion support respectively, and the backrest is fixed on thebackrest support.
 2. The folding chair according to claim 1, wherein thearm support is connected with the backrest support using a pivot, andthe other end of the arm support is combined with the rear cushionsupport through another pivot, while that of the backrest support ispivotally connected with the cushion support to constitute a four-barmechanism.
 3. The folding chair according to claim 1, wherein thefolding chair includes a backpack connecting component, which isinstalled on the rear cushion support and may be a zipper, buckle orVelcro strip.
 4. The folding chair according to claim 3, wherein thebackpack has a connecting component, which may be a zipper, buckle orVelcro strip.